- Difficulty date
- January 9, 2024
- Submitted
- January 25, 2024
- Operation
- Air carrier
- Aircraft
- N423WN
- Make and model
- Boeing 7377H4
- Aircraft serial
- 29827
- Aircraft time
- 71,926 hours, 42,876 cycles
- Part
- Threshold
- Part number
- UNKNOWN
- Condition
- Corroded
- Location
- Zn 100 Fus Lower
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION: SUB THRESHOLD; BS793-795; RBL 29-32; WL156; MARKED<[01] REMOVED AND REPLACED SUB THRESHOLD; BS793-795; RBL 29-32; WL156; PER REF SRM 51-40-02 AND DWG 146A8120;[02] VERIFIED CORRECTIVE ACTION. JOB COMPLETE.<BR><BR>VERIFIED MEASUREMENTS.